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package cbt
import java.time._
/**
* This represents a logger with namespaces that can be enabled or disabled as needed. The
* namespaces are defined using {{enabledLoggers}}. Possible values are defined in the subobject
* "names".
*
* We can replace this with something more sophisticated eventually.
*/
case class Logger(enabledLoggers: Set[String]) {
def this(enabledLoggers: Option[String]) = this( enabledLoggers.toVector.flatMap( _.split(",") ).toSet )
val start = LocalTime.now()
def log(name: String, msg: => String) = {
val timeTaken = (Duration.between(start, LocalTime.now()).toMillis.toDouble / 1000).toString
System.err.println( s"[${" "*(6-timeTaken.size)}$timeTaken][$name] $msg" )
}
def showInvocation(method: String, args: Any) = method ++ "( " ++ args.toString ++ " )"
final def stage1(msg: => String) = logGuarded(names.stage1, msg)
final def stage2(msg: => String) = logGuarded(names.stage2, msg)
final def loop(msg: => String) = logGuarded(names.loop, msg)
final def task(msg: => String) = logGuarded(names.task, msg)
final def composition(msg: => String) = logGuarded(names.composition, msg)
final def resolver(msg: => String) = logGuarded(names.resolver, msg)
final def lib(msg: => String) = logGuarded(names.lib, msg)
final def test(msg: => String) = logGuarded(names.test, msg)
private object names{
val stage1 = "stage1"
val stage2 = "stage2"
val loop = "loop"
val task = "task"
val resolver = "resolver"
val composition = "composition"
val lib = "lib"
val test = "test"
}
private def logGuarded(name: String, msg: => String) = {
if(
(enabledLoggers contains name)
|| (enabledLoggers contains "all")
){
log(name, msg)
}
}
}
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